81241946 (number)

81241946 is an even 8-digits composite number following 81241945 and preceding 81241947. In scientific notation, it is written as 8.1241946 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 38231232 positive integers (up to 81241946) that are relatively prime to 81241946.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-one thousand nine hundred forty-six

Notation

Scientific notation 8.1241946 × 10^7
Engineering notation 8.1241946 × 10^6

Prime Factorization of 81241946

Prime Factorization 2 × 17 × 17 × 140557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4778938
Product of the distinct prime numbers

The prime factorization of 81241946 is 2 × 17 × 17 × 140557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 56, 12, 692, 844, 211, 8937, 41229, 66234, 796656, 981933, 5312475, 6466684, 41988403, 20057891, 436955053, 153185959, 6040924034, 846677335

Basic calculations (n = 81241946)

Multiplication

n×y
n×2 162483892
n×3 243725838
n×4 324967784
n×5 406209730

Division

n÷y
n÷2 40620973
n÷3 27080648.666667
n÷3 20310486.5
n÷5 16248389.2

Exponentiation

ny
n2 6600253789866916
n3 5.3621746198266E+23
n4 4.3563350090653E+31
n5 3.5391713356439E+39

Nth Root

y√n
2√n 9013.4314220501
3√n 433.10524103908
4√n 94.939093223235
5√n 38.190563244937

Divisors of 81241946

1, 2, 17, 34, 289, 578, 140557, 281114, 2389469, 4778938, 40620973, 81241946

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81241945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81241946 can be divided by 12 positive divisors. The sum of these divisors (counting 81241946) is 1, the average is 0.083333333333333.

Base conversion 81241946

Base System Value
2 Binary 100110101111010011101011010
3 Ternary 12122212111222222
4 Quaternary 10311322131122
5 Quinary 131244220241
6 Senary 12021144042
8 Octal 465723532
10 Decimal 81241946
12 Duodecimal 2325b022
16 Hexadecimal 4d7a75a
20 Vigesimal 157f4h6
36 Base36 1cdaoq

Cryptographic Hash Functions

md5 c1b5c531b1377a1b82d3224cd3fc306f
sha1 bf2cd1ea924f517c9b4869dcb064f7f36725f0d2
sha256 309a11e4e4b2579f187a296ab332e10d1818aca324116322364ffc57ad717894
sha512 d818d99263056e44b96f413d38bf4b896add242586bd8b640175db90b893d76201a7821040569322ccda50ee1dcb3e242775b72f0cfba5d4a4ac9c2e8f2635df
ripemd-160 156cd5071f37e332255661e5d948af9839bc7469

81241946 as geometric shapes

Circle

Radius = n
Diameter 162483892
Circumference 510458201.43388
Area 2.0735308818074E+16

Sphere

Radius = n
Volume 2.2461024523884E+24
Surface area 8.2941235272296E+16
Circumference 510458201.43388

Square

Length = n
Perimeter 324967784
Area 6600253789866916
Diagonal 114893461.86678

Cube

Length = n
Surface area 39601522739201496
Volume 5.3621746198266E+23
Space diagonal 140715178.17777

Equilateral Triangle

Length = n
Perimeter 243725838
Area 2.8579937267246E+15
Altitude 70357589.088884

Triangular Pyramid

Length = n
Surface area 2.8579937267246E+15
Volume 6.319383392643E+22
Height 38297820.622261